[idonthaveaname]

Only part of that results in lower barriers to trade. Mostly that reads like "follow these rules, update your processes and factories to these other specifications" - significant barriers themselves, just upstream from the actual trade.

More significant is that there is little transparency and a, seemingly, active avoidance of public discourse about the rule-setting. The rule-setting is where the power lies, and that's what most of the objection is about.