Have you finished the process of accounts deletion or data removal? How long did it take?
Was it tiresome going through every “data protection officer” mail of companies while requesting for data removal?
How have you monitored the progress and checked if they removed your data?
Are you strict with new account creations nowadays?
Email alias for everything. Because it’s when your email address is leaked.
Other than that, get into the routine of deleting every account every few months.