In fairness he DID receive some military training from Chris in between 7 and 8 but yeah, nothing on the level of the career soldiers/secret service members and people who have survived multiple outbreaks. Chris and Leon in particular are both viewed as legends in their respective groups.They literally do not account for the fact that Ethan is an untrained idiot who literally got by because he was long infected by The Mold and died when Jack punched him in the face.
Ethan's endurance as an infected Molded is the only outstanding thing about him in comparison to the other MCs and they don't need that shit to survive 7 and 8.
One of those Tyrants was able to stop a moving Tank dead in its tracks mind you.FYI, Leon survived getting hit by Mutated Tyrants and was still able to move afterwards like nothing happened.
He also helped to take down the largest and arguably strongest creature in the series, that being the infected Simmons in RE6.Hell, Leon got manhandled by Mendez multiple times and we've seen him being metal openings with ease, he ain't dying to no one in RE7 or 8.
The Bakers and the Four Lords would be a walk in the park by comparison.