Most people see it some sort of restriction which stops them from growing their account here so that they can earn money. We should look at the bigger picture. If no such new rules were introduced to check the spam on the forum, it would affect the post quality on forum. With time this will affect the rankings on this forum and experience of other genuine readers. In such a scenario, no advertiser would like to spend money here on bounties.
You are very correct many people never care to know what thread topic is all about before posting reason because they don't read which makes the forum full of spam. But thanks for the help of merits upgrading it has really makes the forum lively as most of the updates nowadays are now encouraging the beginners or newbies the profits behind bitcoin and why it worth investing on. It really add value to the Bitcointalk every one now manage it's account with care.