There is a "toxic environment" that has been used to describe the current situation.
I don't like the portal, NLI and all that college sports has become either. The problem with your statement about giving Kovala's scholarship to another transfer - is when does that stop? If this happens every year, essentially there is no development, and no loyalty to who you recruited. It's simply not sustainable. This would cause a roster flip yearly. Unfortunately it's dog eat dog. Coaches are not "hated" but it is a very toxic environment and guys do not want to play in it. Pitchers are leaving due to Taylor, and that's not debatable. Players will tell you this, other schools will tell you this. Tech was supposed to get a pitcher from another in state school 2 weeks ago but declined due to pitching coach/coaching environment. This stuff spreads quickly among players. Players will protect other players. Tech leads the ACC in portal entries and it still has a few days before it closes. I do feel that a new staff would/could be beneficial.
I agree it's not sustainable from a fan POV (not good for the game), but I think it probably is sustainable from a competition POV.
A baseball team (failing a bunch of injuries) needs about 12 hitters and probably 13 pitchers. To meet those needs you bring in 5 or so hitters each year from the high school ranks, keep 2 or 3 of them for year 2 (this year that is Burress, Kerce, and Lackey for us) and over a 3 year period you have between 6 and 9 hitters. Let's cut that down the middle and say that you have 8 good home grown players per season (4 freshmen, 2 sophomores, 2 juniors). With the shortened MLB draft you can probably assume that you'll have 1 John Giesler type who stick around more than 3 years, so now you have covered 9 of the 12 spots needed with home grown talent. For those final 3 spots you hit the portal for SoCon or C-USA players who have been developing over the past 3 years. That seems sustainable.
The pitching side is more challenging, since scouting is much harder for pitchers than hitters, and also injuries are much more common. But a smart coach will scale for that and bring in about 8 freshmen pitchers each season with the goal of hitting on maybe 3 of them. One each year for a weekend starter, one each year for a mid-week starter, and one each year for a bullpen piece. That's 9 arms, and now you need to find about 4 each year between home grown 4th year seniors and transfer portal additions. Admittedly we have struggled in this area, as this year (for example) I only see McKee as the weekend starter piece, Ballard as the mid-week starter piece, but apparently NOT Kovala as the bullpen piece. And years prior to 2024, I don't see a whole bunch homegrown talent there outside of Riley Stanford.
Its really not any different than how a major league team builds their roster. They need homegrown talent for sure, but very few teams can depend on strictly homegrown talent. The biggest issue, from where I sit, is that these are college kids hopefully trying to get an education while also playing ball, not grown men who know they are entering a cut throat industry.
)