The RC costs are dropping fast as the new system regulates itself: https://steemit.com/steem/@holger80/how-strong-are-the-rc-costs-changing
Steem needs a better system than the old bandwidth method to manage the network resources. Usage of Steem blockchain will likely increase a lot when Smart Media Tokens are launched.
Giving the same amount of RC to every account would make spamming very easy by creating multiple accounts. The most effective way to reduce spam is to make it expensive.
Reducing RC amount when reputation is below 25 may help a bit at reducing spam, although the reputation system can be exploited easily.
Dear my friend, thank you for your comment, but i see a big mess right now, let me comment what is now and if it will be change we will be happy to return with same happiness to enjoy in this community