Savarkar had faults, but his "Hindu Atheist" ideology was compelling and pretty progressive IMO. But today's RSS/BJP is not that, with all that Mandir politics, moreover they are as much or more corrupt than INC and just using nationalism as a bait to attract uninformed voters. And because of the fierce nationalist narrative (which often turns anti-progress and anti-science), they have got many blind followers who will defend their horrible-est of policies.