The phrase "a bunch of comments" is correct and usable in written English.
It can be used informally to refer to a large number of comments or remarks on a particular topic or post.
Example: "After posting the article, I received a bunch of comments from readers sharing their thoughts."
Alternatives: "a lot of comments" or "numerous comments".
Hilzoy's item generated a bunch of comments from readers, mostly about the Time essay and all worth a look.
On Sunday, Madeline Peltz of Media Matters for America surfaced a bunch of comments that Carlson made when he called in to the radio show hosted by Bubba the Love Sponge between 2006 and 2011.
(They'll probably throw away the ones signed "Mickey Mouse").. Do you work at an organization, charity, school or the like, and have a bunch of comments that you've collected that you'd like to put into the system?
I'm not sure how a bunch of comments I didn't make by a bunch of people I don't know make a status update I may not have cared about in the first place worthy of my dwindling attention, but never mind.
I would love to get cooler stuff in to give away but I want to get more interaction out of the contests and it's abundantly clear that the best I can hope for are a bunch of comments after a post.
For every beautiful and really heartwarming comment that definitely changes my whole week around, there's a bunch of comments [that aren't].
"I got a bunch of stupid comments from people, which was really annoying".
Before I get a bunch of angry comments from supporters of government-supported Healthy Marriage Initiatives, let me be clear: the effects of such a program are just really hard to learn, no matter what.
On the Howard Stern show back in 1997, sandwiched in between a bunch of embarrassing comments about women, Trump compared his sex life in the 1980s to a war experience.
As Jon Ronson noted in a penetrating examination of the deconstruction of Justine Sacco, a hapless, not-especially-public publicist who tweeted a bunch of racist comments that gave rise to an "ideological crusade against her bigotry" while also serving as "form of idle entertainment" for a bullpen of internet wits.
A bunch of Welsh Jedi no comment—have bought a plot of land on the moon for the purpose of training new members of their Galactic Church.
