Steve, Pals is just the abbreviation (that I learned on Ha'aretz talkbacks) of a much used word, like TA or Is in my address. There's certainly no disrespect implied. If disrepect is nevertheless implied, I'll gladly revert forthwith to Palestinians in future.
Guatemala judge orders former President Otto Perez Molina detained for hearing in fraud scandal (AP)
from the article: Palestinian group urges Rolling Stones to boycott Israel