What is commonly known as open source nowadays is a license that follows the definition adopted by the Open Source Initiative. SSPL is considered as not approve

What is commonly known as open source nowadays is a license that follows the definition adopted by the Open Source Initiative. SSPL is considered as not approved because it encumber unrelated programs to the one licensed by the SSPL: https://web.archive.org/web/20230411163802/https://lists.opensource.org/pipermail/license-review_lists.opensource.org/2019-February/003977.html https://web.archive.org/web/20230411163802/https://lists.ope... So it is a combination of idealogical issue as well as being an annoyance to people who adopted it because it was released under the BSD in the first place.