its perfectly legit for a business to point out a fiscal barrier to their participation in a scheme to the PM, their MP, their trade assoc, a govt dept.. perfectly OK for PM to raise with the CX and ask him to look at it. https://twitter.com/faisalislam/status/1384766259791859713

HMT/HMRC should then assess whether its a real barrier.. whether the costs of action (lost revenue etc) are outweighed by the benefits of it, and make a recommendation to the Chancellor .. who should take a decision on the basis of that assessment

even better - that assessment should accompany the measure (spoiler most tax policy decisions are not accompanied by much evidence..) - but ministers should avoid at all costs the suggestion they are "fixing" the tax system for a particular taxpayer..

esp if they are caught by the rules because they have chosen to offshore production/minimise UK tax liabilities...