Shortage of low-skill labour force

 Automation and bots are the solutions. Not immigration.
https://docs.iza.org/dp15791.pdf

https://atlantico.fr/article/decryptage/des-robots-pour-nettoyer-les-hotels-les-penuries-de-main-d-oeuvre-vont-elles-accelerer-la-robotisation-economie-entreprises-marche-du-travail-automatisation-salaries-recherche-travaux-innovation-revolution-dario-pozzoli 

We shouldn't reiterate the sixties mistake which led to such huge difficulties in integration that we are not able to cope with them today.