And it's not like keysight will spam you heavily. Maybe a few emails per year at worst.
I got 2 spams from them last week, which is why I posted.
If you are not ok with receiving a few emails for possibility to win a $15k oscilloscope with zero money spend, don't sign up. Or use expendable email account, but crying about this is just stupid. Or do you feel that Keysight, for some reason, is obliged to give it to you for nothing?
I don't think I have to "love it or leave it". I like the basic idea of the contest, but I think it would be even better without the spam. What's wrong with suggesting that improvement?
Expendable email doesn't help, since I want to find out if I won the contest
I feel that Keysight might be interested in my opinion, and they seem to be reading this thread. It has nothing to do with obligation.
Anyway, why do you feel the need to defend Keysight? They can speak for themselves if they choose to.