This is Globalisation - a drive to reduce the cost of production (and hence final cost) results in a movement of everything from manufacturing to clothing to food production to the cheapest supplier.
Most of this is relatively transparent to consumers unless they take an interest - does anyone really care that your blueberries come from South America so long as you can get them 'out of season'?
The recent impact of Covid combined with labour shortages and increased border checks for the UK have highlighted the fragility of importing products/produce from the other side of the world.
The issue with restarting manufacturing (or food production) in the UK is that the skills are now all but lost, as is the machinery (and the willingness of the workforce to do more manual labour orientated tasks).
I blame the Industrial Revolution - didn't have these issues when people still worked down pit or in mill