You don't need cookie banners; they're only mandatory when you want to track your users, so when you see one of those on every website, it just means every website wants to track you.
Also, if people are trained to just click them away, that's not really that bad, since tracking has to be opt-in, so if you click the banner away, you don't get tracked by default (that is, in theory; the reality is, many websites disregard this completely and have tracking cookies enabled by default)
Also, if people are trained to just click them away, that's not really that bad, since tracking has to be opt-in, so if you click the banner away, you don't get tracked by default (that is, in theory; the reality is, many websites disregard this completely and have tracking cookies enabled by default)