The job macro unexpectedly waits for other jobs also created with the job macro to finish

The job macro waits for all the other jobs ran by a job macro if no grouppath parameter is provided because they all have the macrojob job group name. It probably uses GroupedJob jobs, which wait for others jobs of the same group to finish.

This is unexpected because the doc says of the grouppath parameter that

If not specified, the job is considered as a single job