Why would the metadata show a date of 1998 if it was taken in 2018?

Profile Name:          Photoshop ICC profile 
Profile Cmm Type:      Lino 
Profile Version:       2.1.0 
Profile Class: Display Device Profile 
Color Space Data       RGB 
Profile Connection     Space: XYZ 
Profile Date Time:     1998:02:09 06:49:00

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