Good! One more reason for me to remain a DDG user. This is the behaviour of responsible and accountable adults. "Censoring" is a word very badly understood and prone to manipulation. There are a lot of circumstances where suppression of information/opinion is justified: protecting intellectual property and copyrights, blocking doxing, prevent haters from doing harm against others, protection of military secrets or pe…
This is absolutely not what the principle of free speech is. Private companies censoring information can be every bit as insidious and damaging to society, and of course falls under the umbrella of free speech. I think you are confusing free speech for the U.S. Constitution. This only applies to American speech, and only a narrow kind of speech. When someone on the internet describes or discusses "free speech," they are typically discussing something far broader.
DDG has the right to provide poor search results. Users here are lamenting that fact.