The IRS has been chasing, demanding, and harassing Coinbase for its users’ transactional information for over a year. Coinbase has been receiving a John Doe summons dating back to December 8th, 2016, with further demands throughout 2017 that transactional data from 2013-2015 should be handed over.

Coinbase fought back and won a partial victory, reducing the amount of data demanded for submission – one battle was won, but the war was lost.

This is the opening of the article you linked.
Your representation that Coinbase is just willingly giving out data to third parties without a fight is not confirmed by your own sources.