If you are building software where the customer is the deployer being flexible on what database can be used is a pretty big step. Without it could turn off potential customers that have already existing infastructure.

https://xkcd.com/927/

I believe the nodejs fiasco is what prompted this comic?https://www.google.com/amp/s/www.theregister.com/AMP/2016/03/23/npm_left_pad_chaos/

To add to this is it’s harder to read code than it is to write so write simple code so that when you come back to it you can understand.