If you maintain legacy industrial or medical equipment: Absolutely yes. It’s a lifesaver. For retro-computing: Yes, but be patient with drivers. For general use: No – buy a Bluetooth or Wi-Fi adapter instead.
U2irda Mini 4 Mbps Fir Usb Irda 20 Portable Page - Vivid Library
remains vital for specific professional and niche applications: Fast USB 2.0 Infrared Adapter up to 4Mbps - Coolgear