Still too bad in grammar vs Still too bad at grammar

Some examples from the web:

• It's not too bad in here.
• It's not too bad in here, all things considered.
• Just don't make me look too bad in this one, all right?
• In general terms, I supported those amendments that tend to toughen the wording of the proposals, and these have frequently been adopted, so the result seems not too bad in this respect.
• So said Tholkappier in grammar thesis.
• All I ever liked in grammar books were the exceptions and pleonasms...
• Too bad the Hoods ruined your nickname.
• Too bad the review committee members are actually doctors.
• Too bad the serial numbers were scratched off.
• Too bad your real plan really failed.
• Too bad Freddie made his donation yesterday.
• Commute to D.C.'s not too bad.
• Too bad you got involved in this business.
• I remember a public service film in grammar school taught kids not to play with them.
• That's only done in grammars; perhaps you've forgotten that we don't even read them.
• That kid used to beat me and Chet in grammar school.
• - Did I make a mistake in grammar?
• This, too, means that school curricula, especially in grammar schools, should provide extensive, high-quality teaching.
• Well, too bad, too bad, too bad.
• State says the area is still too dangerous.

Some examples from the web:

• It wasn't too bad at first.
• As I remember, I wasn't too bad at it myself.
• Here, replace me, I'm too bad at this.
• My son is a video game whiz... and I wasn't too bad at Pong myself.
• Mr President, the question of traffic across the Alps is an extremely serious one, but the situation does not look too bad at this stage.
• We do ballroom and modern at Grammar.
• So far, I've only subbed at grammar schools, so this should be a nice change.
• Too bad the Hoods ruined your nickname.
• Too bad the review committee members are actually doctors.
• Too bad the serial numbers were scratched off.
• Too bad your real plan really failed.
• Too bad Freddie made his donation yesterday.
• Commute to D.C.'s not too bad.
• Too bad you got involved in this business.
• Another comment I wish to make is that I learned at grammar school in Germany about the way in which the tactic of collective chanting was used to shout down political opponents in the Reichstag of the Weimar Republic.
• Well, too bad, too bad, too bad.
• State says the area is still too dangerous.
• The drug is still too unpredictable.
• Technical cooperation is still too donor-controlled.
• The internal market is still too fragmented and requires completion.