Just about everyone who uses the term "open source" or "free software" would read "the source code can be used for non-commerical purposes" to mean "not open so

Just about everyone who uses the term "open source" or "free software" would read "the source code can be used for non-commerical purposes" to mean "not open source". There is basically no disagreement about what counts as an open source/free software licence. This licence is not that.