Yes on the "big user" side (you're just burning little extra money every month on slow code), but no on overall. Having fast code means that random $10 a month

Yes on the "big user" side (you're just burning little extra money every month on slow code), but no on overall. Having fast code means that random $10 a month VPS can now support much bigger community. The hosting providers can also provide cheaper/better service for people that want just pay someone to run it for them.