Sony is in a very bad state, and it has nothing to do with whether you like their games or not. They have massive debt and shrinking market share in most divisions. They can cut staff, but less resources means poorer products. Even if they hit a few homeruns with new products, cut costs and start turning billion dollar profits, it would take a decade or more to be out of debt. Since as of right now they are still turning losses (in large part due to high interest), it's more likely that their debt will continue to grow until bankrupcy. That's why firms are saying they are an investment with a good chance of loss.
Someone mentioned how Nintendo turned it around... that comment isn't grasping what's going on here. Even when Nintendo had a tiny market share it was turning profits and had no debt. This isn't about the games, it's the financial state of the company.
I'm an investor. Sony would likely be a horrible choice to invest in. Good chance of losing your money. If you want to invest in game stock, take a good look at Nintnendo. Their massive cash reserves make them pretty safe.