The following is not a slam on Bobby V. Honest.
I would feel better that the ST changes meant something if I could be assured that 6 weeks of spring practice would lead to a consistent improvement over a 6 month season. Frankly I think that's a stretch; the players we have are the players we have, and they're terrible at fundamental baseball because they've been stupid and lazy and selfish. Such problems don't go away over the course of one spring.
Having Lester and Beckett do the "pitcher cover first" drill a few extra times this spring doesn't necessarily lead to fewer errors by the pitchers because the essential problem remains: these dimwits have cottage cheese in their heads where brains are supposed to be. Their actions last season merely reinforced that view.
Right now it's all talk. Talk is cheap. Play better. Get your heads out of your asses. That's all that's necessary.
I don't know that the practice will make them play better fundamental baseball, although it can't hurt, but holding players accountable for mental errors on the field certainly will. Call out Lackey (privately) when he neglects to cover first, talk to Crawford after he misses a cut-off man, make the players aware that poor fundamental play will not be accepted anymore. Maybe Tito did this, but the fact that some players made the same mistakes over and over (pitchers not backing up bases was egregious last year) leads me to believe he did not, especially in the last few seasons.
If this new attention to details on the field in spring training leads to an awareness of the importance of playing the game right, then it should definitely have a positive effect on the team.