alt Hacker Newsyeah silent tactiles are a gap, the tactile section is all loud stuff (pandas, banana split), nothing quiet. boba u4 should be on there, adding next round.
brick and mortar thing is real. microcenter's basically it for physical. novelkeys and kbdfans sell $8 switch tester packs with ~10 switches each, not a store but at least you feel them before committing.
I'm admittedly only a very surface level keyboard person (I can tell you the difference between Cherry reds, blues, and browns and know what a buckling spring is but not much use outside that), but aren't tactiles generally pretty quiet? Not as quiet as linears but honestly what I expect a keyboard to sound like