It’s amazing how many people have a “Senior” prefix that I don’t remember from when I worked with them... or are claiming sole responsibility for a team or even a different team’s project... There is also a trick used by people who attended college but never graduated, list the years and the subject and leave the reader to fill in the blanks, not technically lying but...

The average LinkedIn profile is just if not more fictitious than Facebook. And everyone knows it but plays along anyway.