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We do retail / light industrial automation stuff.

Every so often (rarely but say once a year or so), we bring some members of dev team along on an install. Its always very very eye-opening for developers to see what 'problems' look like in the field.

Further, something devs miss about installs is the lack of infrastructure you have to deal with (on a new build-out for example). So saying 'Just download latest version X and install on each of the clients' will take 5x longer than it does in comfy office environment since it means: (a) Go to hotel or tether phone and download 1GB file over 3G, (b) Put on USB stick, (c) go to each client, disable all USB restrictions and install new software, re-enable all restrictions (d) do all this while power is being turned off / on because electricians are still working.