Mannahnin
Scion of Murgen (He/Him)
Can you quote him? We're talking about the same Gary who did voiceover work for D&D Online, right?I'll go ahead and make the distinction you're trying to make - that compared to WotC's versions of D&D, the TSR-era Thieves were bad. It's an important distinction because WotC changed a great deal about the game, so much so that Gary Gygax said WotC's game was no longer even D&D.
Beyond that...
A) Thieves are simply bad and could use help in TSR editions regardless of any comparison to other versions. If you have a 10% to 50% chance of performing a key character function, and the DMG advises the DM to impose a likely-to-be-deadly consequence for failure, the math simply works out that the character is unlikely to survive long unless they simply avoid using their skills.
B) You've apparently forgotten that third party and OSR variant versions of D&D exist, contributing to your inaccurate guess.
I don't think you can reasonably argue that how good a D&D character is in combat is represented solely by their attack rolls. Attack rolls, armor class, hit points, special abilities, and to some extent saving throws all factor in.I'll further note that Thieves were better (THAC0) at combat than Magic-Users and just as good as Clerics (according to the Rules Cyclopedia).
Thieves in TSR editions have equal or slightly inferior attack progressions to clerics, while having inferior armor class, saving throws, and in some editions hit dice.
I explicitly noted that some folks enjoy them despite their mechanical weaknesses.Again, I agree that everyone didn't enjoy play TSR-era Thieves, but, some people did and the class wasn't as objectively useless as you depict here. I started with AD&D and ran it for high school friends, so unlike some people my opinions here - like yours - aren't formed from just reading the books![]()

Definitely seeing them in play helps. I was a little confused as a kid by Gary's advice in the 1E DMG to be harsh on Thieves and adjudicate as if they were overpowered, because even at that age I could read the tables and see the small percentages. But I had faith that he knew what he was talking about. In retrospect, after playing the game for years, his advice on that particular topic looks worse and worse.
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