I've been a gmail user without smart features for years. I'm guessing the 'not usable' was too much junk drowning out important messages. The answer usually is

I've been a gmail user without smart features for years. I'm guessing the 'not usable' was too much junk drowning out important messages. The answer usually is spending 5 minutes clicking 'unsubscribe' on the stuff you are not bothered about.