They care to the extent they have to. They signalled earlier that they are not going to align themselves with EU regulatory apparatus - this was to indicate to

They care to the extent they have to. They signalled earlier that they are not going to align themselves with EU regulatory apparatus - this was to indicate to the EU that they were not going for the 'tight integration' approach, which is important because it was assumed by many this would be the UK position. The UK is seeking to have an independent regulatory system, obviously, this means many things vis-a-vis relationships with the EU. Many products will naturally have to comply with regulations, just as any UK company selling kit in the US or Brazil has to align their products with those regimes. But in reality, obviously, this will evolve given any specific advantages that might present themselves. But it's also impossible to tell what is a 'negotiating posture' vs. what is their real, intended posture, and that's very much on purpose. My bet is that the end result will be something like NAFTA/USMCA.