Although they might've reported on Mods like the respective Unleashed Project and Super Mario Generations for example as that's for PC Versions of some of the games. Though, Is it common or not for PC Gamer to report on Sonic and Sonic Fangames/ROM Hacks, like other sites like Kotaku and Polygon, now, is it? I don't quite know.
However, I would've thought that places like them would've found out about Project Hero and reported on it by now. But it's always been in addition to the standard console releases. The franchise has been on PC since the Saturn days, yes. I find it especially odd that they did, given Sonic's not exclusively PC Bound. Click to shrink.I think it's more a case of the ResetEra/Internet/ResetEra effect where it took someone on ResetEra starting a thread to unintentionally cause someone at PC Gamer to notice.