i think that if you are dont comment in council at least once a week you should get kicked
This doesn't make much sense. What happens if a person from the council has to leave for a week or so to deal with real life situations? Should this rule apply to an incredibly active person on the council forums, but doesn't get responses from anyone else in regards to their comments?
I don't think any Council members should be kicked; there needs to be a
very important reason for a person to be removed from the council/have a title removed altogether, and being inactive for 1 week out of 12 (where they might be giving out comments and suggestions on a daily basis) shouldn't be a factor.
That said, 18 may be pushing it, but I find that if the council needs more fresh blood, the better.