It has items, locations, Reckless challengers, Huey-Dewey-Lewey combos, and a couple of Rise of the Floodborn cards that weren't playable back then and still aren't playable now
Identifying Lutri as a card that will literally be ubiquitious in decks that have blue or red Commander identities, the card was near-immediately banned in Commander
Lathril is an incredibly powerful Commander that can quickly close out a game in just a few turns
Baron Von Count is certainly a villain worthy of the distinction and another Commander where it could easily be the only silver-bordered card in your deck
BSJ will automatically reimburse administration and arbitrator fees for claims totaling less than $10,000 regardless of who the prevailing party is (unless the arbitrator determines the claims are frivolous), but BSJ will not pay for attorneys fees unless ordered to do so by the arbitrator
That can hardly hurt the cards popularity