I like coffee, and I avoid over-roasted beans and hate especially bitter coffee.

Over roasted: Burn the fuck out of your low-quality beans so that all flavor nuance is lost and every batch tastes identical.

Too bitter: Over extracted during brewing. It’s a skill issue, and even the darkest roasted beans can be prepared without excessive bitterness.

For me, an over-extracted coffee is never acceptable, but I don’t hate over-roasted beans if I’m at a breakfast diner.