It isn't planned obsolescence, it's cost reduction, that cartel you mention ceased to exist in 1939, which you might have noticed was a very long time ago. People voted with their wallets and they repeatedly voted for cheap, unless mandates such as that in Dubai prevents it. People still buy 75 cent incandescent lamps because they're "cheap" even though they cost far more in energy consumption than the cost of an LED bulb. Did you notice that those Dubai lamps contain twice as many LED filaments as cheaper bulbs? The LEDs are the most expensive part of the bulb, so more LEDs = more expensive bulb.
If you want long lasting LED bulbs they are still available, although they cost more. Philips and Cree stuff that is rated for enclosed fixtures usually hold up pretty well. Most of the LED bulbs I paid $40 EACH for back around 2010 are still working fine. They were good quality products, priced accordingly, and very few people bought them, most balked at the price.