I just cancelled my smartsteem deligation this week. You limited the profit of vote buying to 10% which has brought down sales significantly. People want to have as much profit as possible so they place their bid to someone that doesn’t have a 10% max. If the bot doesn’t use all of its voting power the delegated Steem just sits unused. This situation is less profitable for both the bidder and the buyer. I would reconsider delegating if this bar was removed.