I think the business is ok, hard to disagree with a lot of those points in the Morningstar write up. However, there have been missteps post Covid. Arguably the KMP messed up a lot by over ordering inventory during the boom. That helped smash the stock post Covid beyond the general downturn in covid winners. The massive comp and timing is not a good look. Not much shareholder value has been created in several years. The shares were trading at 5 bucks as far back as late 2017. This has been coupled with extreme volatility. I've had good experiences as a customer, but no interest as an investor.
