"More powerful electronic devices" - I presume you mean electric devices. But it won't happen, or they won't be able to export them to their nearest market. And the limit was 1600 anyway, not 1400...
"simplified holiday calcs" - This is simply incorrect anyway.
"people being able to drive bigger vans without a special licence" - You're happy for unqualified people to be driving much larger vehicles around your children? Like most Brexshitteers you don't think things through to consequences.
"early use of experimental treatments" - Not an area I'm familiar with, but I suspect there will (and should) always be limits to this, and it wouldn't surprise me if there already were possibilities for this.
So, wow, that's really worth screwing the entire economy, massively increasing the cost of living crisis, reducing people's rights etc. for...