Who said anything about forcing anyone? The problem described was LIDL sacking a bunch of people who had worked exclusively for them for 6 months and presumably would have been happy to continue doing so, except that LIDL would have had to pay a little more tax.
Also, if you can’t find people to hire for a mission critical system, that’s a strong sign that you either need to not make it critical or start aggressively investing in training — which is still considerably cheaper than a 500M write-off.