Just to give a few examples (there are more if you try to dig in - Vanguard/Halifax/iWeb/etc):
Revolut
Trading212
eToro
Evarvest
Robinhood
Ninety Nine
In fact, you would even struggle to find the last two discussed elsewhere (even Reddit/MSE).
The only thing you can see removed is the posts similar to “Buy X because it is undervalued. I said so.”