Have you any connection to the real world at all?? The most viciously intolerant people are liberals who cannot even contemplate the idea that anyone would disagree with their suppositions. They deliver death threats to people who dare to voice contrary ideas, try to get them fired from their jobs, call them "haters" and worse, destroy their property, and more. While such actions come occasionally from the nutsy Far Right, they are almost never engaged in by conservatives...and for one very good reason. They know, as conservatives, that such things are morally wrong.
Hmmm. I agree with your idea that the intolerance of intolerance is, obviously, an intolerance and therefore an inconsistency in otherwise tolerant individuals. Nevertheless, it seems to me to be an understandable, (on an 'eye for eye, tooth for a tooth' justification), if not ideal, response to intolerant conservatism. I also agree that death threats, destruction of property, denial of livelihood, and other such reactions to conservatism are completely out of place. This is not liberalism, however, but (even supposing such things happen, in the absence of any provided evidence) ordinary illegality.
The essence of liberalism is that anyone may do anything they please, however eccentric, provided it does no-one else harm. The moment harm is dealt, we are no longer talking liberalism, but some other political position, more akin to any other extremist credo, such as fascism, communism or militant Islam. So, by definition, you are not attacking liberals or liberalism in your post, but an intolerant tendency I share your opposition to.
The essence of conservatism, on the other hand, is not so easily defined. Conservatism seems to be the idea that anyone may do anything, however harmful, provided it makes money, and is not gainsaid by tradition or the Bible. I find this position less intellectually satisfying than liberalism. Where liberalism seeks, consistently, to minimise harms, conservatism just wants to get rich, irrespective of harms. I just don't think this ambition is universally sustainable in a finite world of only finite resources.
Happy new year, 2RM.