VonPietro my friend ...
"A realistic ocean maker where you can add objects moving and it creates realistic wake"
So I note two things about this hoped for capability: ocean & object interaction with the same.
I think even Houdini breaks this into two, meaning direct interaction is managed locally around the object and the results are blended back seamlessly into a greater "ocean".
And from what I recall about Realflow, I thing the break down is about the same
The H.O.T Ocean plugin we have available for LW ... is good for local patches of water, but struggles for creating huge bodies of water. Also HOT is not (last time I tried) compatible with LW2018 ...
Blender has "Fluid Dynamics" but is seriously limited regarding where that as a tool can be stretched to
Lately we've had darkChief's "Deep Rising" plugin, but it is not "ocean creation" ready
There have been other plugins, some still around, some now "decesaed"
And yes, there are work-arounds achieveabe in LW
At the heart of your list of topics (including ocean and water interaction) is the seeking of solutions which are built in and good to go, straight out of the LW box, with nothing more to pay. Probably a fully swept version of LW with everything our hearts have ever desired ... yes, there would be "no more to pay", but we definitely would be paying substantially more to cover the R&D leading to that point of product capability.
But coming back to the ocean/water example: the "good news" is there are solutions for getting an ocean + object-to-water-interaction into LW and even rendered therein. The "bad news" is that all of these come at a co$t, both monetary (neither Houdini nor Realflow can be had for a song) as well as figuring out how to get it done.
This is the case even with excellent products like LWCAD, TFD, AR/VR export, and lately the amazing set of OD Tools and other etc etc ... a list which stretches all the way to external products such as Substance, as you have mentioned.
The key thing in my mind is that a lot of capability for getting stuff done (e.g. Substance integration) already exists - and yes, this is external to LW and not "LW native". But it exists and is available. And yes we pay, although I recognize some of these extras may be beyond the budgetary reach of some, and I mean no disrespect.
For other levels of capability, at the level of "I want to achieve Hollywood style 'can't tell if it's real or not' results", yes it occasionally means severe CO$$$T to get the specific tools which allow for that. Or, as some amazingly talented people on this forum have amply demonstrated many times, there are work-arounds.
Just my thoughts if you've read this far
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