Actually the snopes article was correct but it was talking about pull tabs equaling time on dialysis and there is no such program. But it did acknowledge that McDonalds collects them and that the proceeds do benefit the Ronald McDonald houses.
Here's a detailed example of how much that program benefited the Orange County Ronald McDonald House:
Pop Tab Collection Program...Pull for the House
An easy way to help the Orange County Ronald McDonald House is to collect pop tabs for recycling. It’s a great fundraising project for scout troops, civic groups, schools, and churches. Since our collection drive started in 1998, we have raised over $77,000 from recycling pop tabs. The money earned (100 percent of it) goes to offset the costs of running the Orange County Ronald McDonald House...
...Why pop tabs and not the whole can?
Pop tabs are high quality, pure aluminum and are more valuable than the can, which is a combination of aluminum and other alloys. Tabs are easier to store and less messy than saving the whole can.
Why collect Pop Tabs?
All the collections add up to make a heartfelt impact in working together to provide a home away from home for families during the medical treatment of their seriously ill children. Pop tabs are an easy way to recycle and help others and it is a task that people of all ages can do. These small pieces are a source of charitable revenue for the Ronald McDonald House. The amount of money received is determined by the weight of aluminum collected. Saving the tab is a simple and clean way of recycling for the House and it only takes a second. The dollars raised are used for operations and supplies for the Ronald McDonald House. Money received is not credited toward any medical treatment.
Facts
1 pop tab is approximately one inch long
1 pound = 1,267 tabs
1 pound of aluminum can be sold for approximately 45-60 cents
https://ronaldhouseoc.org/ways-to-give/pull-tab-collection-program/