400 mbps is well above what online gaming requires. Most of the data calculations etc happens locally on your computer and only packets of information to the server and back are transferred using your connection. Most "modern" games only requires bandwiths in the range of 512 kbits/s and your ping will most likely not be affected if you have 1mbit/s.
I have 1 gbit/s up and down and I lag like crazy some games. I recently saw that there were 150 k people playing Apex on Steam alone which is 3x what it was before the new season,. Maybe the servers arent good enough for these numbers. Maybe EA predict that the player number will go back to normal in a few weeks when the new season-hype has past and therefore hasnt invested in good enough servers for the current player count.
its actually 10mbps lol look it up
