FIRSTLY, At the right price everything is for sale.
SECONDLY, Have you signed up for free news letters, webinars, trade signals, tips, strategies etc etc ?
Look at this Thread, All those participants will be asking this same question very soon.
https://tradingqna.com/t/excel-sheet-trading-portfolio-with-brokarage-9th-comment/31396
People do all silly things and blame it on the Broker.
Also, allegedly all the Aadhar details were sold at discount rates of 500 Rupees at Chandhi Chowk, Khan Market and Burma Bazar. With just the email address available publicly on Forums and YouTube comments, its easy for unregulated marketing companies to do a reverse search and get your mobile number , DOB etc attached to this email address.
Still a Trader keeps wondering how they get these messages and calls.
BE WISE and TRADE WISE.