This is appropriate advice for the average HN reader. For everyone else, probably not. I've seen first hand otherwise intelligent people being unable to discern an obvious (to me) online scam from a legitimate business. These are the people spammers are targeting. These are the people that need to obfuscate their email address.
Even sophicasted users can slip up in the right circumstances.
Personal anecdote: one morning, whilst still quite sleepy received a very well crafted Namecheap phishing expedition. I half knew the product they were claiming was lapsed was actually fine, but I had just recently renewed so I thought perhaps there had been a problem I missed, and it was convincing enough that I clicked the link before doing the normal sanity checks. Thankfully the address it went to didn't resolve. Hopefully I would have noticed the obviously incorrect URL before I entered any details, and I have 2FA enabled, but still, I should and do know better, it was just perfect timing for a well crafted attack...
