The folks making posts and comments and earning rewards from them (which includes a great many comments, including some one-character comments, posted solely for the purpose of self-upvoting) have not been and are not an effective marketing department with how things have been going.
I prefer to think of this as an attempt at a reboot than as an incremental change of X% here or Y% there. The only way it will make any real difference in Steem's trajectory is if it helps to inspire major changes in the overall platform, community, and economy. If the biggest change is percentages then we'll continue circling the drain anyway.
RE: Open Letter to all Steemians - Hardfork 21: Culture Change