In that case websites will absolutely show you a banner and/or intentionally make their services more difficult to use. Any website showing a cookie banner alr

In that case websites will absolutely show you a banner and/or intentionally make their services more difficult to use. Any website showing a cookie banner already prioritizes their ad revenue over your convenience of not seeing a banner. So why would they implement any extra work to spare you that banner, if you're one of those customers that won't drive ad revenue?