Enforce 18+ age rating and mandate platform parental controls. If the parents decide to let their child pay for adult content freely that's unfortunate and on them.
Going stricter isn't effective, ID check will become tools for whatever ulterior motives they have.
CS:GO is already rated 18+, and Steam already has parental controls. That has done essentially nothing to prevent it as children sometimes lie about how old they are and don't have their parents set up parental accounts to oversee themselves.
Enforce 18+ age rating and mandate platform parental controls. If the parents decide to let their child pay for adult content freely that's unfortunate and on them.
Going stricter isn't effective, ID check will become tools for whatever ulterior motives they have.