Another instance of this is if you managed to build a business around a particularly profitable contract or set of contracts, the nature of which requires you to regularly post maintenance transactions of some sort.
If you get big enough and profitable enough, the miners will have an incentive to specifically refuse to include your maintenance transactions unless you include a large transaction fee - in other words, market segmentation for transactions.
If you get big enough and profitable enough, the miners will have an incentive to specifically refuse to include your maintenance transactions unless you include a large transaction fee - in other words, market segmentation for transactions.