Corporate and government SOE machines are often running versions 7+ years out of date. I'm still EOL'ing XP machines for government clients. Seniors are another

Corporate and government SOE machines are often running versions 7+ years out of date. I'm still EOL'ing XP machines for government clients. Seniors are another group who often run, well, senior versions. If your Uber-for-toothpaste startup doesn't care then fine. But crusty old browsers are still a crucial factor in many markets.