In a leaked memo, Shopify CEO Tobi Lütke put limits on employees having side hustles, saying Shopify requires 'unshared attention'::Shopify CEO Tobi Lütke discourages employees from side hustles in company memo, saying their jobs require their undivided attention.
Exactly, yes. The same goes for working more than 10hrs in a single day.
Edit: that does not apply to self-employed people. So if you work 90 hrs in your own company, that's fine.