With the addition of tons of weapons, and the overall development of a meta/increased skill level of players over time, their layouts (and arguably, their gamemodes) have not aged well. 2fort and Hydro in particular require players to go through cramped areas to reach their objective, which often results in stalemates.
If this is your first time logging in after the migration (Feb 8, 2022), you must reset your password to log in. Follow this guide if you're having trouble