Not one person has told me WHY I should not use it.
That because nobody wanted to REPEAT what has been discussed many times before. That's why several of us suggested you do a SEARCH of this forum and others. IT would probably save you time, but it would also keep this from turning into a big name-calling contest.
I'll try to give an impartial summary.
The following comments apply only to centefire handgun ammo used in non-ex-Soviet Block weapons.
The ammo is cheap, reliable, and reasonably accurate. It smells like crap.
It comes in lacquer-coated STEEL cases. The steel seems to be hard on some extractors. The steel does not expand and contract like brass. The lacquer coating seems to build-up in chambers, requiring extra attention when cleaning. But it may only be an issue in guns that have tight chambers. (Glocks, for example do not have tight chambers.)
In some guns, the lacquer build up isn't noticed. If the lacquer gets hot, it gets sticky and spreads a bit. If allowed to cool with a round in the chamber, it might make the round stick. Might. Might not.
I've seen people have to drive rounds out of the barrel with a wooden dowel. I've seen guns locked up so tightly they had to be left overnight in a shooting range's cleaning machine (a solvent bath).
I've seen others claim is the best "economy" ammo made and snicker when others talk about problems. I don't think they're lying about their personal experiences with the ammo but also don't believe their experience is typical for the wider set of shooters.
EVERY shooter that I personally know who has tried Wolf loved it at first, but after a few months quit using it and never returned to it.
Others have a different experience.