Looking on the internet deeply has found these results:

that's so bad is the most popular phrase on the web.

That's too bad 1478,000 results on the web	that's so bad 12,130,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
That's too bad, because that virus would be the holy grail while this heat lasts. That's too bad, Mr. Worthington. That's too bad, 'cause you're not doing so great. That's too bad, because they got good gas prices. That's too bad nobody told his brother what he wanted. That's too bad, because this gun you sold killed two men. That's too bad, because that was gold. That's too bad because if we find out what casino she works at, we might have to take a field trip.	There's a play that's so bad, it'll still be running when you get out. In a fifth sequel that's so bad even Steve Guttenberg refused to be in it... Tell me, what have you done that's so bad? What's she doing that's so bad? I'm talking about a place that's so bad it's unconstitutional. It's a habit that compels you in an obsessive way that's so bad, it's a disorder. What did Dylan do that's so bad that you couldn't tell me this whole time? Well, that's so bad guys can't see me bleed.

That's too bad

1478,000 results on the web

that's so bad

12,130,000 results on the web

More popular!

That's too bad, because that virus would be the holy grail while this heat lasts.
That's too bad, Mr. Worthington.
That's too bad, 'cause you're not doing so great.
That's too bad, because they got good gas prices.
That's too bad nobody told his brother what he wanted.
That's too bad, because this gun you sold killed two men.
That's too bad, because that was gold.
That's too bad because if we find out what casino she works at, we might have to take a field trip.

There's a play that's so bad, it'll still be running when you get out.
In a fifth sequel that's so bad even Steve Guttenberg refused to be in it...
Tell me, what have you done that's so bad?
What's she doing that's so bad?
I'm talking about a place that's so bad it's unconstitutional.
It's a habit that compels you in an obsessive way that's so bad, it's a disorder.
What did Dylan do that's so bad that you couldn't tell me this whole time?
Well, that's so bad guys can't see me bleed.