Tbh, I’m put on more on alert by the spelling errors in the linked post than I am by the ostensible threat of a server timing my requests in order to serve malware.
It’s good practice to check anything that you’ll pipe to `sudo`, but this article’s level of paranoia is kind of self-defeating, no?
At some point, we all trust the things we run on our machines. We rely on communities — and our participation in them — to vet installations.
There is no perfect solution. Someone will always be misled.