To be honest I thought it was business as usual...
I've been a domestic customer of Eclipse for 13 years and until recently they were really good but I upgraded to their unlimited fibre broadband service in the summer (after being hit by caps on the cheaper services) only to find that they throttle many services (YouTube and streaming services such as iTunes and Sky TV being the main ones - which is far from useful when you work from home AND have teenagers in the house) which I'm told is because of an apparent "fair usage policy".
When the DDoS started on Monday I merely assumed they'd ramped up their throttling!