I was using the Athom Philips Hue App on a Homey Pro 2019.
I do have a lot of Hue bulbs ~80 and ~20 motion sensors over two Hue Hubs.
I want to keep the Hue hubs and Motion Sensors so Lighting remains autonomous.
I use a Node Red Node to connect to the Hue Hubs and it is quick very very quick.
I have a Mac mini with the new M1 Apple silicon, moved 70TB of video/Music for the Plex library, put the Channel DVR for whole house TV and DVR on it, added Node Red, Mosquitto MQTT Broker, zigbee2MQTT and the Mac mini takes them all in its stride with very very low CPU and most important hardly any power at all, it is using 150w when under full load, which I have yet to experience and is actually using about 18w most of the time.
With the Homey MQTT Client everything that is connected to the Homey is available in Node Red through the MQTT Broker.
I am gobsmacked at how well zigbee2MQTT works - great visualisation of the zigbee network.
Adding devices is the simplest yet I have experienced in 20+ years of doing this. As soon as you introduce a new device ie power it up and zigbee2MQTT hoovers it up and configures it perfectly.
I deployed 20+ mains powered sockets around the house to get a good base in.
Then when you add battery devices you can choice which mains powered device it will sync and join with.
Once up and running, and the barrier here is getting it installed and running can get tricky if you are not used to command line installs.
But once installed it is all gui.
Anyway, for me, building all the home automation logic in Node Red and abstracting all the things under it, Homey through MQTT, Hue through NR Node, etc etc keeps it all very simple and allows for me to change what manages what device, I can cherry pick the best hub to control things, Indigo for some zwave stuff, Hubitat for other zwave devices, Hue for lighting and motion sensors, Homey for the Apps like Zappi, Victron, Eufy Security, Eufy Vacs etc etc and I can change the controller but the logic engine remains static.
My 5c worth - As far as I can determine the best of all worlds.