These parts that become "the part" often have this issue relatively early into the lifecycle. The 741 op-amp is another example. They are often bad and expensive, but they are a default so people put them in.

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colechristensen an hour ago | parent [-]

These days there's also a wide variety of manufacturers making them including very sketchy counterfeiters.

So there are TONS of pin-compatible-ish parts from different manufacturers that have related specs with a ton of variation.

	▲	pclmulqdq an hour ago \| parent [-]
		Even 20 years ago, places like TI and ADI were offering parts that are spec-dominant over the 741. Literally every parameter on the datasheet is equal to or better than the 741, and pinout is the same.