It's not only french companies producing them and the entities who are involved in pushing SIM replacements aren't as interested in mundane things such as marketshare, money etc. as you might think.
Don't forget this one for example: https://theintercept.com/2015/02/19/great-sim-heist/
I don't think the french abuse their SIM-powerposition, otherwise they would not force states like Palestine into using weaker encryption and such.