You want it to change, put up a list of everyone who uses their personal email for work so that the population can vote against them.
I have NEVER and i mean NEVER worked for any company that allows me to use my personal email for work related things. I would like anyone to show me a company that allows for such things.
Here's one data point - I use my Gmail account for work all the time. Yes, my company knows and allows it. But I'm just a contract archaeologist, I'm not doing anything political, classified, or liable to shake the wall of decorum. If I were involved in something that might turn political, or that involved classified or government monitored operations, or that would scare the horses, I'd take the time to use company email. No, I'm not gonna give you my RL name, who the fuck are you, voices on the internet?
"Don't think; let the machine do it for you!" -- E. C. Berkeley