Jati ties are the biggest barrier *against* conversion. The 7th Day Adventists mass converted in Andhra because they *kept* jati ties.
If “caste” were the barrier you think seculars would attack it 24x7?
And there is no “caste system.”
Jatis have been our strength.
Varna is the most egalitarian system anywhere in the ancient world.
Many “untouchables” wanted equity but did not want to leave their traditions for it. Many are big Rama Bhakts.