It might be too late to rewind the damage. For starters, smaller pool might not survive a year. The number of pools will shrink. The highest rewards from monetary expansion are paid out earlier in the system (now), which means these pool farms will acquire even bigger stakes now. In addition ADA price is lower without smart contract, which means a single entity can accumulate a lot now than in a year. I say fix it ASAP. I complained about this problem back in the ITN days, and as early as last month