You’ve driven me to this, you monster…

Here’s the intersection:

https://www.google.com/maps/@46.0886107,-122.9375641,3a,75y,109.46h,92.58t/data=!3m7!1e1!3m5!1sga-xf00iCI9pRFG2PXNeiw!2e0!6shttps:%2F%2Fstreetviewpixels-pa.googleapis.com%2Fv1%2Fthumbnail%3Fcb_client%3Dmaps_sv.tactile%26w%3D900%26h%3D600%26pitch%3D-2.5791953070314975%26panoid%3Dga-xf00iCI9pRFG2PXNeiw%26yaw%3D109.45653970185134!7i16384!8i8192?entry=ttu&g_ep=EgoyMDI0MTEwNi4wIKXMDSoASAFQAw%3D%3D

No stop sign. The cyclist did not have to stop. Why do you think it’s more likely that the cyclist was attempting to overtake the ambulance rather than the ambulance overtaking the cyclist?