I know you were sarcastic, but I feel the need to explain to yo33331 what you meant by that in detail.
Not even the PS2 was priced that low ($129 was it's lowest outside of promotions), and the PS3 even bottomed out at $199, and that's all without taking inflation into account. I do expect Sony to drop the price one last time during summer to $249 and that's it, from there the PS5 will take over.
Also, expecting Sony to drop the price so hard when they want to sell it's successor would be foolish at best. It would steal tons of sales from the PS5 at the time the console needs the sales the most to build momentum. That's the last thing Sony would want to happen, as that would steal all momentum to the console. Without momentum early on, sales go the way of the Wii U: Nintendo brought tons of truly great games to the system, but without any momentum, they couldn't build on those great games and sales stayed low.
Inflation is part of it, but it's also important to remember that the PS2 required a separate memory card purchase, so the real cost for a functioning PS2 was higher than the price of the console itself. While the PS3 did have a garbage SKU without an HDD to lower costs, the PS4 cannot go the same path because its games have mandatory installs and therefore an HDD will always remain a must. That's why $199 is the lowest that the PS4 can ever go and even that might just be in theory in the end, because Sony could forego to do it.
A low priced PS4 won't steal sales from the PS5 because you are looking at very different customers. Conversely, it would be possible that a $399 PS5 steals sales from a $299 PS4 if Sony chose such a pricing strategy; at that point a backwards compatible PS5 costs only $100 more and plays all PS4 and PS5 games, so a prospective late adopter of the PS4 could very well rethink what they want to invest in.
I have to assume that your Wii U comment is your attempt to compete with Nu and yo for the most ridiculous statement in this thread. The Wii U stumbled from one software drought into the next, that's why there was never any momentum. On the other hand, third parties will make PS5 games based on blind trust and then, even in the face of low PS5 sales, would continue to make PS5 games because of the costs that they've already sunk into PS5 development. A Wii U situation is simply not going to occur for the PS5, even in the worst case scenario.