what if tomorrow Y! changes it to 30 minutes, your app would be broken, your users experience would be affected, without you knowing the cause. also if we allo

what if tomorrow Y! changes it to 30 minutes, your app would be broken, your users experience would be affected, without you knowing the cause. also if we allow Y! to get away with it, others would do the same, weakening and undermining the cause for which OAuth is a solution