Watching Christians argue over whether Calvinism is right or wrong is both amusing and sad at the same time. Because yes, while Scripture does indeed teach that Calvinism is wrong, it also teaches that Provisionism (not to mention the somewhat similar “Arminianism” perspective) is equally wrong.
Ultimately, both sides need to reject their soteriology and embrace a truly scriptural soteriology, sometimes referred to as “Concordant” soteriology. Here’s a good starting point: Biblical Universalism