Given the nature of humanity, do you think Montag and the professors will be able to help rebuild a healthy, successful society or are people doomed to repeat this destructive pattern?

It depends

Explanation:

Looking at human history through the ages we see a repetitive cycle of civilizations, countries and the like who start of building a society based on equality, liberty and fraternity, and then somehow get lost to end up as class-divided and authoritarian societies.

Nevertheless, in Fahrenheit 451 we can only have admiration and faith for Montag and the professors, who start of very good by conserving the treasures of wisdom that books present.

As the Greek philosophers already found out, it all depends on education: if  the ones in power are willing to share knowledge and educate people then the prospects look good; if not, then the nation is doomed from the start. Because:

Knowledge = freedom; ignorance = slavery

it's called a epic poem i believe, hope this ☺

some attention getter quotes to support your thesis regarding brain work could be the following: :

a. storage capacity of your brain is virtually unlimited.

b. your brain produces sufficient electricity to light-up a small bulb.

c. different brain circuits are involved with reading aloud or silently.

d. your brain by itself does not feel pain.

e. reading allows your brain to download info directly.

f. brains of two musicians performing together can synchronize.