No, the death of Windows Phone was 95% the fault of MS/Nokia.
Pre-announcing that they were leaving all Winphone 7 customers behind for Winphone 8 meant that every retailer/distributor was left with unsellable stock (because they hadn't gained enough traction to sell out initial shipments).
If this was because Nokia made bad/cheap phones that were un-upgradeable or MS being arrogant isn't something I'm remembering anymore but the end-result was pissed retailers and nobody selling WP8.
Pre-announcing that they were leaving all Winphone 7 customers behind for Winphone 8 meant that every retailer/distributor was left with unsellable stock (because they hadn't gained enough traction to sell out initial shipments).
If this was because Nokia made bad/cheap phones that were un-upgradeable or MS being arrogant isn't something I'm remembering anymore but the end-result was pissed retailers and nobody selling WP8.