Almost every study on that page links a separate case of gastric bypass with later oxalate dietary issues. There are other reasons to be aware of oxalate intake

Almost every study on that page links a separate case of gastric bypass with later oxalate dietary issues. There are other reasons to be aware of oxalate intake but it’s like that one woman who almost overdosed on raw bok choi (iirc 1-1.5 kg per day https://www.nejm.org/doi/full/10.1056/NEJMc0911005 https://www.nejm.org/doi/full/10.1056/NEJMc0911005) a little moderation in all things.