For larger companies that usually don't rely on VPS providers and the like, AWS can still be a compelling offering for new ventures, as you don't have to commit

For larger companies that usually don't rely on VPS providers and the like, AWS can still be a compelling offering for new ventures, as you don't have to commit resources (capital) to in-house infrastructure for a project that might not work out (as it's opex, not capex, just shut it down if it fails).