Communication is a two-way street, if your questions are not being understood maybe you should put some effort into making them clearer.
Non-academic labs can't offer tenure because there's no tradition of it outside academia and by its very nature it only has value if an organisation can make a credible commitment to maintain for decades or centuries.
Labs that can dangle the carrot of a tenure-track position can pay much less than those that can't; workers overvalue it both because people generally overvalue potential prizes and because it's been gradually made rarer and pushed back further and further.
> Non-academic labs can't offer tenure because there's no tradition of it outside academia and by its very nature it only has value if an organisation can make a credible commitment to maintain for decades or centuries.
This would imply that it's impossible for non-academic institutions to offer pensions, too. Now, they are certainly moving in that direction, but it seems strange to argue that they can't.
It would imply that prospective workers don't put a lot of value on private companies' pension plans when weighing employment offers, which in my experience is true (employees do perhaps value governmental workers' pensions, because the government is the kind of stable organisation that can make multi-decade commitments). There's also a level of governmental support (high-profile bailouts and the like) of private pensions that lends credibility to pensions, whereas governments seem if anything anti-tenure.
Why would the other labs pay less per worker than the new lab?