OP didn't say PHP and jQuery were why Pieter Levels is making millions - just that they're tools he's using to do it. Ergo, they are at least fit for that purp

OP didn't say PHP and jQuery were why Pieter Levels is making millions - just that they're tools he's using to do it. Ergo, they are at least fit for that purpose. They aren't bad enough to prevent him from making millions.