Incredibly untrue. I’m sorry that your particular company saw a 60% decrease in stock price over 3 years. But this is not the norm for any reasonably healthy company.
Bottom line, with stock payment, you have a say in their ultimate value. Do good work, company value invreases, you enrich yourself.
Statistically speaking, they're correct.
Recently learned this from the excellent and very pithy Michael Batnick blog https://theirrelevantinvestor.com/2020/09/10/most-stocks-suc... who was citing https://wpcarey.asu.edu/department-finance/faculty-research/...