We went through this some time ago on the other place. If you're going to make these claims it would be better to have statistical evidence from controlled trials, otherwise it's just hearsay.
FWIW I believe that it is possible to increase the appearance of a colony, but performance will subsequently dip as the reality of the empty increase hits home as the shorter lived bees produced die off quicker without being very productive. Of course, this is also guesswork and hearsay, but if I remember correctly, Tauts did do some proper work that showed bees raised under suboptimal conditions had short and ineffective(with regard to benefit to the colony) lifespans.
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