Much prediction to the lifespan of the DSLR industry. Today’s PetaPixel published an article the Smartphones will take over DSLRs due to artificial intelligence (AI) technology. Read about what a Qualcomm VP has to say here, https://petapixel.com/2022/09/28/smartphones-will-soon-outperform-dslr-quality-qualcomm-vp-says/.
If you would like to learn a little more on how a DSLR compares to mirrorless, good explanation here, https://petapixel.com/what-is-a-dslr-camera/.