Those banners should really be reserved for the important stuff. Because they're not, I've developed a reflex to immediately close those banners without paying attention. It's almost the same as blocking it with an ad-blocker; which defies the (original) purpose of banners.

So what Python currently does in issue depreciation warnings in the main program, but not in libraries and similar code. That may also be a reasonable way to limit the number of warnings while making sure deprecations don't go unnoticed (because that makes them useless).

consumers become blind to an avalanche of privacy pop-up notices

Currently, there is a high frequency of consent requests, privacy notices, cookie banners or cookie policies on every visited website. As a consequence of consent abuse, individuals resent a fatigue, resulting in consent loosing its purpose.

This way, personal data is more effectively protected allowing individuals to focus on the risk involved in granting authorization for the use of their personal data and to take appropriate decisions based on the risk assessment. Consequently, the burden and confusion generated by systematic consent forms is constrained.