98% of laptops are portable desktops.

Only in very niche jobs you carry your laptop to/from office/home every day.

One thing does not prevent the other: that's what standards are for.

You will need to sacrifice something. If the regulations become more restrictive, one of the following needs to change:

- cost (laptops getting more expensive) - quality (laptops getting less powerful / smaller) - time (manufacturers have a long grace period before they need to implement the regulations, to allow technology to catch up)

The EU always implements this kind of legislation with grace periods - obviously, no step functions.