Yes they do to the vast majority of riders, its a shame you cant see whats in front of your face.
Baldilocks bikes when ive taken any notice are well prepared and looked after and whilst both of us probably dont ride as much as we would like and get new bikes not infrequently, ive never bothered with ptfe tape and would imagine its use would simply create more problems than it solves for the majority of non mechanic riders.
There is alot of difference between air filter and changing oils type prep and hydraulics for many.
IMHO dont touch bleed nipples unless bleeding.