Monitors tied into last lateral

[Delta Glen]

We have always used a separate saddle when installing monitors. Talking with a large producer he stated that he tees into last lateral. That way if the sensor has a leak you can tell easier. Anyone else try this or can think of a downside?

[maple flats]

I only put them on their own saddle and I use a 2-3' long 3/16 or 5/16 line, then I tie them to a tree trunk, held upright.