Shine.com — Sharing my account information and details to scammers and not deleting my account data even after being asked to.

I started getting scam calls in the middle of night in frequency of 15-30 mins and also sometimes in a day i got 8-10 calls within just 4-5 hours, height was when i refused to share my data the person on call, being said a shine representative also later called himself as naukri.com representative started using bad and very inappropriate words.
As a normal person i never want such a thing and even after blocking most of the numbers i tried contacting shine on call for the same, they asked to write a mail to delete the account explaining the situation. Even after a few conversation they are not willing to delete my account from the site and asking to just keep it as invisible/inactive, if you can't keep my data secure and are so prone to data leaks why do you even handle people's personal information. And if someone wants to opt out of your data collection your asking that he can't?