Don't collect information about your customers that you don't need to provide the service to them.
If they decide to delete their account and request that they be forgotten, delete that data that you only needed while providing the service.
It's not hard to comply, and it's a cost of doing business that you have to accept. If you implement it right, then you'll be compliant by default. Not sure how not being compliant is a positive for any startup.
It's the law in the EU, so unless you want to cut out a market of half a billion people, you have to comply.
