Avoiding Narcissists On LinkedIn

I have mentioned so many times on here that i do not have a  LinkedIn page even if one was set up in my name which was apparently pasting my posts onto it but after many emails LinkedIn seemed to put a stop to it so never having been on or even read a LinkedIn page, if you received an invite from me it was a fake and the reason why i never added you to my page is because, well read the above again.
An article on the Psychology Today website makes me glad i have steered clear of the business and employment-focused social media platform where people add their work experience and CV because according to them it is full of Narcissists.
Psychologists analysing LinkedIn profiles revealed correlations with narcissistic personality traits according to the Narcissistic Admiration and Rivalry Questionnaire (NARQ), a tool for measuring narcissistic traits but short of a narcissist going all Billy Big Bollocks at every opportunity and banging on about their qualifications, how can you tell if you are in the presence of a narcissist on LinkedIn?
The Psychologists have made a handy cut out and keep guide of who to avoid which includes anyone who follows big name companies or celebrities, they tend not to smile in their profile pictures,  they are more specific on their qualifications, where they work or position held, use LinkedIn's background image feature and mention 'public speaking' as one of their skills.
Psychologists list what us Brits call 'Bigging yourself up' or 'Going The Full Billy' as a sign of insecurity and a desperate need to be noticed so might be best to just click on because the desire to leave a snarky message just plays into the desire of getting noticed because they are obviously to narcissistic to notice you are making fun of them. Go figure.
PS...I DO NOT have a LinkedIn Page so stop asking!!