This is the reason some are selling R7 without knowing you get what you pay for. Disregard the marketing hype and work the R7 within it's capabilities, you should be sane and happy.
Limitation of Canon R7
- Thread starter one eye jack
- Start date
He recommends using electronic shutter and deal with rolling shutter . Also deleting a lot of photos to get that shaaarp shot. 
Aka compromise.
Aka compromise.