I could see a campaign opening when I don't have the time to copy my btc dress, profile link and more. Typing "reserved" could secure me an early spot till when I'll modify the application.
If you don't have the time to post your Bitcoin address, don't bother applying. You don't drop a letter with your name and "I'll write more later" in the post when you apply for a job, right? Typing "reserved" means you failed the reading test:11. If you don't follow the correct format to join this campaign, you'll be rejected. Think of this as a reading test 
Today, quality is seen as the length of post. What changed?
Nothing changed, low-quality campaigns always did that.Quote
What time would you have to scrutinise 30 posts by 30 participants.
Doing a thorough job is indeed time consuming.