It's been proven that slots work. Some bodies of water have really benefited from it. If it can work with bass and walleyes. Why not gills or crappie??
Don't get me mistaken, I enjoy a fry when I can. Packing a chest freezer with year old filets. Yum! Biology has taught us a thing or two. Some fish need to be kept. Stunted population lakes need fish out. When you have a 6 in gill at 5 years old. Bad crop of fish in lake. So keep all you want and leave the important 9 to 10 in fish to reproduce.
Look if it's ignored or treated ignorantly. We will have damaged a century worth of something to rebuild.
We should also get our DNR involved as well. I pay for a license every year. Just want to see potential. I now find two states to the west has done this protection of fish GROWTH. It works!
Bucket full of 14 inch crappie looks nice. Not at the sake of never doing it again. Predator fish do serve a purpose in this.
40inch Northern will take down a 9 inch Gill. They also will take a 7 to 6 inch too.
Some of our lakes can't support a big population. So again keeping or not, management and smart harvest is needed. Do some research on fish and biology. You might just be surprised how much harvest can help or hurt.