Snopes is incorrect like the MSM is incorrect. Technically they may be not be lying, but by omission, choice of terms, etc there’s a definitely leftward spin on the political stuff they ‘fact check’.
A fake email is just that . . . and to determine it, that's why people go to Snopes. If you disagree with why Snopes claims it is fake, that's fine . . . it's still fake.
You are SO RIGHT about Snopes.
Those that can't see that are in the "forest for the trees" gang which has a substantial membership.