There are many real people offering support. You can get through to them if your question isn't answered by the many help pages already offered.
Lag and connection problems are shared by people all over the world.
https://support.chess.com/en/articles/8584209-how-do-i-fix-my-disconnect-lag-issues
During games moves lag. You make move but it doesn't show up. Then clock shows it was running during the lag. Stops during games and you can't move at all. Start games and nothing happens. Different problems all the time.
I have used this site for years. Now, customer support is a bot.
Sad.