the report is a put-up job.

So your only reply is that they are all lying.
All those senior officers from the armies of several democratic nations.
It is much easier to believe that you two have been duped by all the propaganda from Israel's enemies.

Is this a lie? It has been reported by many others.

"Hamas not only flagrantly disregarded the
Law of Armed Conflict as a matter of course
as part of   its terrorist-army hybrid strategic
concept, but rather it abused the very protections
afforded   by   the   law   for   military   advantage,   
putting the civilian population of Gaza at great
risk.      Situating   its   operational   headquarters   
in   Gaza's   main   hospital,   the   entire   military
machinery of   Hamas was embedded in civilian
locations,   private   homes   and   a   plethora   of   
sensitive sites such as medical facilities, mosques
and schools. "

The report does not specify what actions IDF took, but we know they sent warning of attacks by text message, even though that reduced the effectiveness of the attack. Also, roofs were hit with dummy munitions before the live attack.

"It is further our view that in the overall conduct of
its campaign, the IDF not only met its obligations
under the Law of Armed Conflict, but often
exceeded them, both on the battlefield and in
the humanitarian relief efforts that accompanied
its operation.

In many cases where the fighting
was concerned, this came at significant tactical
cost to the IDF. It fought under restrictive Rules
of   Engagement and it is obvious that instances
existed throughout the conflict where the IDF did
not attack lawful military objectives on account
of a deliberate policy of restraint."