[xorcist]

Why use a spam filter for your email? Do you really want all the spammers to lose their jobs?

[Semaphor]

The user replied to a comment saying "It would be such a relief if they went under". Are you comparing using spam filters to a company going under?

[diffeomorphism]

They are comparing getting rid of spam to getting rid of useless pinterest results in their search. That is a pretty obvious comparison.

So, no. They are comparing "getting rid of" and "getting rid of".