We only started caring about Microsoft when they stopped updating IE up to the point it was very buggy, non-standard compliant, outdated and insecure. Then Fire

We only started caring about Microsoft when they stopped updating IE up to the point it was very buggy, non-standard compliant, outdated and insecure. Then Firefox came along and gave us an alternative. Chrome might also be pushing their own standards a bit too hard, but it is fairly standard compliant, secure, cross-platform, up to date and actively developed. So of course we don't care so much.