I found it easier to play with bots to learn, they are more forgiving and are a bit bad at the game as well.

Cardgames.io/euchre/

But then again, startups probably aren’t considering the geo-political implication of country TLDs and that in 5-10 years any specific nation might simply stop existing.

“boomer” as a term is here to stay and a moving target

Kind of like how "Millennial" for a while meant 'teenager' despite the oldest Millennial being 40.

Icelandic would like a red-headed word.

While it has problems of its own, instances could pool and share that knowledge. The first time an instance talks to a different insta ce it could just ask “hey, what other instances are you aware of?”. The main issue there is just instances obsessively sending exponentially growing lists of instances back and forth.

But no, that is the main bane of federated social media, discoverability without a center of truth