so, this isn't so much a design as it is a consequence of how a lot of the technologies involved operate (as in, it's (largely) not a conscious choice for those things to do that shifting (except in the cases of deceptive designs)), but you're fairly correct in that it fucking sucks to have that interaction with sites/systems (because of violates principle of least surprise, etc)
(and probably also sometimes/often falls into that bucket of things where "it works perfectly fine on the dev's 27" laptop with 16 cores and 32gb of RAM and the DC is next door" development applies)