@IanSudbery@copdeb@cyclotopie@cyrilpedia@academicchatter yes, the program supports a very small number of people. The vast majority of PIs will do at least one post-doc.
Re: stability, applicants are required to provide quite a long list of information about the position they will hold if awarded, including whether or not it is permanent/TT; and institutional commitment is an explicit review criteria.