Alright, I wanted to give my take on the ending, and why I think it is objectively bad. As someone who was extremely excited for Cyberpunk since it was announced in 2013, even pouring hundreds of hours in the last couple years creating fan art for the game. I was looking forward to having multiple playthroughs to experience different play-styles, and paths. I was even defending CDPR through all the hate since launch despite my own problems I have with the game. However, after I went through the ending I became completely disinterested in ever touching the game again.
For my V's ending, I chose the Arasaka option because first of all, I didn't want to risk killing off Panam, I also wasn't sure that the nomads would be well equipped enough to have an attack on Arasaka, and as a female V I didn't have that close of a relationship with her to get her involved. Second, I didn't want Johnny to take over because we know how his first attack went, and I didn't want to repeat the same thing. What you get for making this choice is feeling like a piece of shit because you left you friends behind and decided to become a lab rat, which was the complete opposite of my intention when making the decision.
Well after that happened I came back to the point of no return, I though I fucked up my decision so bad that the game decided I had no way to continue past the ending and had to start over. Feeling completely empty, I decided to go back at it again with a different option. Well, after going through multiple endings I realised that that wasn't the case. and it doesn't matter what you choose, the outcome will always be the same. Even, in the so called "happy" nomad ending, V still becomes a construct and dies in 6 months anyway.
The problem here is that you have no choice, in every single ending V dies and now that I'm a couple days past it, at least in the Arasaka option the chip is removed without you becoming a construct, so to me now that seems like the "best" ending. As a story teller myself, I think CDPR reasoning behind those endings has nothing to do with the "grim" reality of the Cyberpunk genre, and actually the fact that in order for V to actually remove the chip and live past the ending, they would have to adjust all side missions to play without the involvement of Johnny (which they probably didn't want to bother with). A second option would be for V to find a way to remain as is (maybe new body with 2 constructs), which they probably thought defeats the entire purpose of the game (might also require the involvement of Keanu again if DLC is planned for V).
If you consider those two reasons as being true, then you realise that the endings we got are pretty much the result of lazy writing, lack of interest/resources in remaking the side missions without Johnny or creating an ending that might seem counterintuitive (having Johnny stay in your head as if nothing happened). They definitely could have thought of a better way to end the game instead of the gut punch we got, which has left me disappointed if anything after all those years of anticipation.