Disable Follow Limit

I have fun entering store giveaways. With the 100 limit per day block, this prevents me from being part of a giveaway, especially if it's only open for 2 days. I also am unable to follow back people who follow me, on the same day. I'd like to know why we are limited in this way, especially since so many stores are offering giveaways to celebrate the opening of your platform to the public.