It's definitely a good thought. Here's a few thoughts on the 2 sides as I see it:
Pro(s):
Hybrid archers seem to do ok...except with maybe 80+ mobs, since that's what they're all complaining about, supposedly even caster or BM hybrids. What it WOULD do is give archers who DID NOT want to use gems or whips a chance to have a little extra increased damage. So that side of it might work out. However, all damage multipliers from stats are capped @ 1.5, so would str be the same? A few quick maths: That's 2.25 together(unless these were one of the very few additive things, still 2). Then with crit and serial crit makes x1.5 and x1.1, or x1.65 together, so with x2.25 makes x3.7125(i should add, vs x2.475 originally) Which is huge...but definitely not bigger than casters(3.0375 x class bonus if app) and still lower than most meleers(think stats, crit, overcrit, specs, vengeance, deathblow etc, varies alot but has huge multipliers overall), but have a huge bonus to base, but also hit lower than archers to begin with, albeit faster.
Cons:
That gives bow users 4 stats that they basically HAVE to lvl, or at least won't want -stats in. Not to mention w/e they want in defense. So that's just adding another stat to the class that needs the 2nd most, tying them with casters @ 4 for the "cookie-cutter" build. It'll also, depending on how the damage adds up, make them a HUGE force in arena...and archers seem to be doing ok on teams, arrowrain, and blind are ridic, and all the DoT affects although not huge DPS are a huge annoyance

It's really farming speed they're worried about...so is there a way to make this PvE only? Or at least help more in PvE?