feel free to donate money to people who give you quality content, sure
but don't get mad when other people get angry. it's still basically begging
imagine you had a friend who drove you everywhere you needed to go. she drove you to school, work, friends' houses, parties, the mall, anywhere you needed to go. after a few months of driving you she says "you know, gas prices are going up if you could give me like $5/mo that'd be cool."
would you call that begging? it's the same exact situation