Coingecko and coinmarketcap do not list Bisq volumes because it is not a server-based platform with log records, but rather a p2p platform with private volume. The same like robosats and hodl hodl.
For those of us using Bisq the easiest thing is to check the Bisq app itself. It's unfortunate that mempool.space isn't supporting it anymore, but it's really not the end of the world. The only way to trade bsq was to use the app anyway, so any other reference to the markets was redundant.
Of course Binance is easier to use, but how can you compare it to the guarantee of anonymity?
It's definitely private, but I wouldn't go so far as to say it guarantees anonymity unless you only use it to trade bitcoin for altcoins. If you're using it to trade for fiat you do end up having to expose yourself in one way or another, and you never know if your trading partner is an officer from a three letter agency, lol.
There are ways to use Bisq while keeping your trail cold, if you think they're looking for you.

We should talk more about it. It fully deserves it.
Absolutely. They're not actively advertising in any meaningful way that I know of, so it's really up to us users to inform others and keep talking about it so it becomes more well known. The more users it attracts the better it is for all of us.