I think it is correct. They pushed for a cap, but are now pushing for an increase. ...the AAMC is now calling for an annual increase of 3000 Medicare-funded slots. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4978854/

According to the above article, new programs are not capped. However, the bureaucracy hurdles you are required to jump to establish such a residency program is huge.