What other measure would you guys suggest to meet existing legal requirements?
None. Existing legal requirements, and the power interests they serve, are the problem. Their absence or irrelevance is the goal.
Trying to convince lawmakers that bitcoin should be anonymously traded is an absolute non-starter.
Bitcoin and cryptocurrencies like it are an existential threat to lawmakers and the power interests they serve. Trying to convince them of anything is futile, and akin to attempting to bargain with the slavemaster while you're under the lash, when what you should be doing is everything in your power to escape the last and the slavemaster.