To demonstrate the effectiveness of the attack they deliberately chose SIKE as a protocol that was thought to be very resilient against side channel shenanigans.
If anything, real-world contexts are likely to be lower hanging fruit.
If anything, real-world contexts are likely to be lower hanging fruit.
How long is it likely to take to apply this to cryptographic protocols that people actually use? The protocol they attacked is rather obscure: https://en.wikipedia.org/wiki/Supersingular_isogeny_key_exch...