Aindra Prabhu clearly mentions that the varnashrama system is just a stepping stone to spotless devotion and not the solution to soul’s problem (of birth and death). He also points that if varnashrama doesn’t empower one to take to unalloyed devotional service (parishudda bhakti), it is just anartha!
You can read his complete room conversation on the subject at 24hourkirtan.com here.