no amount of complaints from... everyone about jira/confluence being absurdly slow or horrible to use had any effect on my employer (large multinational)
but their decision to abandon on-prem has resulted in the company migrating away from all atlassian products
But they're not abandoning on-premise, though one could get that impression from the tone of the article.
They are only dropping the small-business targeted Server tier, they are keeping the enterprise targeted Datacenter tier. It's pretty much a drop-in replacement, with extra capabilities. And annual payment instead of initial+upgrades payment.
but their decision to abandon on-prem has resulted in the company migrating away from all atlassian products
the best thing atlassian have ever done!