How useful is Wigglytuff for attacking?

Wigglytuff's high rating is justified mostly from defensive performance. As a defender, she is genuinely fantastic.

As an attacker, she is useful, and has a couple niches in which she performs excellently...You mention the description, but you seem to have missed the line in the description that says, "As an attacker, she is of good, but not excellent quality." That's everything you need to know. There is no exact science for how to translate Attacking Tier Rating and Defensive Tier Rating into a 1-10 overall number. If you think it should be 9 but not 9.5...don't worry about it. When people want detail they can read the descriptions, optimal sets, and tier list descriptions for those details. Nobody is being misled =)

Wigglytuff's draw, both on offense and defense, is the neutrality of its type and moves. It's not meant to hard counter one thing like Lapras does to Dragonite, it's more just reliable because it doesn't have a lot of bad matchups.

Plus, anything that has STAB Pound is gonna be great on offense, just because of its high dps and the fact you can reliably attack with 3 pounds in between just about every dodge.

P.S. CP Efficiency is a good thing. When I'm training my own gyms, I throw 3 wigglys at it and some lower cp stuff, and since the Wigglys can take on stuff 500-800 CP higher, you maximize prestige gain. Just remember that prestige gain is based on the highest CP pokemon you send in.

I love Wiggly for my 1100-1350 Team. Hatch an Level 20 Egg and elvolve it and it will be around 1200.

Can with some dodges beat anything I want to power up at the 1600-1800 range. Good for presitige

It's fantastic because you can always throw it in your lineup and know it will cp efficient, not worry about type matchups, its extremely tough, and only takes 50 to evolve.

It's not gonna be as good as a snorlax, lapras, or dragonite, but for what it takes to get one it's extremely good. I have a 1900 something wiggly and it's very very good. I love it for attacking and defending.

I primarily use Wigglytuff for prestiging a friendly gym. Relatively low CP makes it amazing prestiger for apretty much any gym.

I love Wiggly. Pound/Beam is great for overall attacking. Pound/Play Rough is great for taking down Dragonites.

Also, it might be the best trainer out there.

Defensively she is really good, but the fact she has really low CP makes her a useless defender, since she will always be the first in every gym, hence, it will be taken down pretty easily.

Wigglytuff learns Pound and has very high HP and few resistances against popular Pokemon. If Snorlax is First Class, Wiggly is Business Class.