We take quitting very seriously in Gears 5. When playing Ranked Matches, the second you begin matchmaking is a commitment to playing your match in full, whatever the result. Once a lobby is formed, quitting will result in a time suspension.
Further quitting will result in increased time penalties. Commit to your matches from lobby start to match finish in order to avoid suspensions.
Additionally, suspensions may be issued for offensive content in the in-game chat or Map Builder.