If a user is suspended on some site, they cannot interact with the site using their account.
I have read in several places that creating another account to bypass a suspension is wrong. (In general, if a user has multiple accounts they should not be used to do something which can't be done from one single account. This would be an example of violating this rule.)
Still, if they access the site while logged of, they still can:
- ask questions (with exception of some sites where only registered users can post questions);
- post answers;
- make suggested edits.
Using a cookie-based account brings some problems - since user might eventually lose access the account and they can no longer comment under their questions/answers. This is more problematic for questions, but perhaps not such a big problem for answers. Suggested edits seem the least problematic from this viewpoint - other than approving/rejecting an edit you seldom need to interact with the user who made the suggestion.
I can imagine a user who invested a lot of time in some site, so they care about it and want to help the site - but for some time they are not allowed to. Making some anonymous edits would be at least some way for them to help while they are on the naughty step.
Question: Would contributing using an unregistered account during the period of suspension still be considered a violation? Are at least suggested edits from such users allowed?