I "can't see that", because there's nothing to see... there's no data suggesting that it's been an issue in the localities where trans-women have been allowed to use the women's restroom. This is coming from published studies, as well as official statements by leaders in law enforcement.
Spokespeople from the Des Moines, Albuquerque, Baltimore San Francisco, Los Angeles, and New York city police departments said they knew of no problems in facilities relating to California and New York City’s non-discrimination laws – which have all been in place for over a decade.
The Des Moines (Iowa) Police Department said “We have not seen that.” when asked if they there were any cases of sexual assault related to the state’s non-discrimination statute, passed in 2007.
The Cambridge (Massachusetts) Police Superintendent said “there have been no incidents of men dressing up as women to commit crimes in female bathrooms and using the city ordinance as a defense.”
Rehoboth, Delaware Police Chief Keith Banks said, “We’ve had no concerns on this and no complaints have been made, and we have observed none,”concerning Delaware’s non-discrimination law.
The Minneapolis Police Department said that fears about sexual assault are “not even remotely” a problem, and the notion of men posing as transgender women to enter women’s restrooms to commit sex crimes “sounds a little silly.” Minneapolis was the first city to pass a transgender-inclusive nondiscrimination law over 40 years ago, in 1975.
The Las Vegas Police Department was asked if they had seen any cases of sexual assault related to the state’s non-discrimination statutes. Their response? “The answer would be no.”
The Albuquerque Police Department said, “We are unaware of any cases of assault” due to New Mexico’s non-discrimination law, which passed in 2003.
A Portland, Oregon Police Department representative said, “I have never heard of any issues” of assault relating to the state’s non-discrimination statute, which passed in 2007.
Detective Nicole Monroe, a public information officer with the Baltimore Police Department, said worries about transgender-inclusive policies are “the most ridiculous thing I’ve ever heard.” Baltimore passed its law in 2002 and Maryland passed a state law in 2014.
Again, you're not comparing apples to apples here (and I explained above, accurately, why your analogy was flawed). Driving drunk presents a public safety concern...they know this because of published studies as well as feedback from law enforcement (the same two sources that say that they've seen no evidence to of increased rates of assault or any sort of public safety risk by allowing trans women to use women's facilities).
Consuming a beer is fine, consuming one and getting behind the wheel is a problem.
A trans woman using women's facilities is fine, a man trying going in and assaulting someone (then trying to use non-discrimination policies as a defense) is a problem.
Based on the data, and statements from numerous leaders in law enforcement, the latter hasn't been an issue, and some of these localities have had the policies in place for decades now.
Experts from 12 states that protect trans rights have thoroughly refuted this talking point. In the US, there’s not a single reported instance of this kind of voyeurism occurring in states with legal protections for trans people.
The few instances of right-leaning publications that tried to run stories claiming it was an issue were 100% fabrications that were circulated, initially, by an anti-gay group called "Pacific Justice Institute" that knowingly circulated false stories that never happened, and news sources that linked it ended up publishing apologies and retractions less than a week later once it was discovered that the stories were a complete lie.