And how will they set up the infrastructure? How will they train their workers? How will they build their machines? How will they acquire supply chains? How will they integrate these new chips into their tech?
This isn't picking Potatoes ffs- it's building one of the most complicated pieces of technology in existence en masse, one Taiwan and China- countries with highly developed economies not sanctioned to hell and back- have problems upping capacity and creating altogether respectively.
But yeah, "espionage". That will solve everything. Seems like magical thinking to me.
The EU can reduce Russian fossil fuel imports to the point they're no longer held hostage by Russia far faster than Russia can build its microchip industry. The former will hurt and take time. I'm not even sure the later is possible.