That twitter post doesn't sound crazy to me. Since McGlinchey doesn't seem ready at tackle, and Elmer seems particularly [currently] matched for guard, moving Lombard to tackle [where he formerly played] might improve some things instantly. Up-the-middle DLine push would be stoned on the right side [Hanratty still loses that fight on the left too much for my tastes, though, and the other mentioned step seems aimed at that].
Hegarty switching with NMart might make sense too. Hegarty is nimbler than NMart and NMart MUCH more a brawler than Matt. This if it happened would also seem to mean that the staff doesn't want to burn a frosh OLineman year, and that they don't want to put Bivin in either [maybe grooming him solidly as the coming-to-be center.]
With Stanley/ NMart/ Hegarty/ Elmer/ Lombard as an OLine array, the guards both become nasty attitude maulers and the up-the-middle rushing and pass-protection should be better. A lot of people have been on Steve Elmer for alleged weakness against the outside speed rush, and a bit of that is true, but almost all those pressures only succeeded because some DT was pushing our guards back into the pocket, and Everett didn't have a good escape lane.
This will be intriguing to watch if it happens.