For years now I've kept myself from being too aligned in one tech ecosystem. For example, my main computer is a MacBook but my phone is an Android device. I've used Garmin bike computers for years now (since the Edge 500), but have always used Polar wristwatches. I measure weight on a digital (but not network aware) scale and blood pressure on a Withings unit.
My time trial bikes have Shimano cassettes matched with Campagnolo chainsets, SRAM chains and 11-speed SRAM Red eTap gearing. Oh, and for good measure they have Magura hydraulic rim brakes!