The rationale was that their own ethnic group deserved to prosper at the expense of others. The idea that germany might be in danger of running out of food via

The rationale was that their own ethnic group deserved to prosper at the expense of others. The idea that germany might be in danger of running out of food via population growth was not present. If by "reminiscent" you mean "has something to do with population" then sure, it's reminiscent.