Beyond the name calling an accusations and filtered cuss word - these conservative sites were financially out performing the liberal counter parts. They were more popular and produced greater income. That is not an example of driving business away.
I'd like to see support for this also. Your previous comparison of CNN and MSNBC are not comparisons of "the liberal counter parts" as they are news organizations, not social media sites. So please provide evidence that they are more popular. Of course, you specific claim here is they are "financially out performing" -- please show us this. Number of subscribers does not equal profit. Amazon, though extremely popular, went a decade, or so, without turning a profit. So, where is your evidence that Gab is financially outperforming these left wing sites?
Next, the "right wing" isn't being silenced, as a general rule. I have a high school friend who routinely posts these right wing "memes" on Facebook, most of them not strictly true (exaggerations and comedic falsehoods). Google frequently recommends Fox News content to me, both news articles and YouTube videos. Somehow, I don't see them getting "cancelled" -- my friend is still on Facebook and I still see him repost lots of things from other right wing individuals and organizations. Fox and other Right Wing sites are not only still on Google and YouTube but still be recommended. This "right wing" cancel does not actually exist -- at least not in the way you are trying to claim.
Now, as for Gab, I'll admit I know little about it. If I go to
Wikipedia, I am told, "Widely described as a haven for extremists including neo-Nazis, white supremacists, white nationalists, the alt-right, and QAnon conspiracy theorists, it has attracted users and groups who have been banned from other social media and users seeking alternatives to mainstream social media platforms.[9][10][11][21] Gab says it promotes free speech, individual liberty, and "the free flow of information online", though these statements have been criticized as being a shield for its alt-right and extremist ecosystem.[11][19][22][23] Antisemitism is prominent in the site's content, and the company itself has engaged in antisemitic commentary on Twitter.[25][31] Researchers note that Gab has been "repeatedly linked to radicalization leading to real-world violent events".[32]"
Now, it is possible that Wikipedia is wrong -- though you notice they do provide sources for the claims (with the footnotes). So it seems a bit ironic that we have people defending what allegedly is an anti-Semitic site by using Nazi references. It also, assuming that bank executives are not familiar with what Gab is, but are being told the same type of information, might not want their banks associated with that type of company.