The reason for keeping manned aircraft on the Turkish side is because Russia has been eyeing the opportunity to take a shot since the 2015. Hence all ops in the west of Euphrates had to be constantly coordinated with them. The Su-24/L-39 kills over the last week has been done from the Turkish side. The double kill by F-16 was closer range but the last BVR engagement was done from 45 km away via AMRAAM C7. Drones kept the air support the whole time, this was just not reflected by the Turkish nor Russian/Syrian side until the 28th. The release of the UCAV footage is a direct response to UAV footage of Turkish tanks being hit and Turkish convoy's on the move.
M113/ACV-15's are nothing really. The only "serious" weapons were given to the Turkish controlled militants, probably the most notable of which are 155 towed arty and STINGER's. These were not HTS.
HTS has no future in Idlib. If TSK keeps Idlib, HTS will be arrested and paraded around with their heads down
similar to what happened in Afrin.Right now they are a means to an end, or in Turkish military terminology "mine donkey's". And if SAA keeps Idlib, the same will happen. On the other hand anyone who says HTS is ISIS does not know what they are talking about or want to believe they are ISIS.
To the others who are trying to figure out what the Turkish strategy is, or why there is a lack of strategy. Notice the lack of ground forces participation, with exception of artillery. This is not the actual operation. The order was very simple from the morning of the 28th, "all known regime targets will be engaged on the spot". That is exactly what happened. It's one large retaliation that lasted several days, now the operational tempo has slowed down again. This doesn't necessarily mean it will not continue, or that it will either. 5 UCAV's have been documented as lost in Idlib, on the other hand 6 were delivered over the weekend. Despite the losses, the Turkish UCAV inventory has grown.
Assad should wake up and go to sleep praying to Hezbollah everyday. Where SAA gave up and ran, Hezbollah did not. There is a certain respect for their behavior.