To EJB, or not to EJB?

I've found myself asking this question, what advantages does EJB bring?

Googled a lot, found a lot some bulleted lists repeated across many sites, but not so easy to find the real reasons that might drive a person to consider EJB in regard to other options.

Finally, I've found a really a good article from Humphrey Sheil that was written at the year of 2000. It encompasses the fundamental questions that one should ask ourselves while looking at this technology even after a decade has passed.

Below is the introduction:
To EJB, or not to EJB: that is the question.
Whether 'tis nobler in the mind, to suffer
The slings and arrows of outrageous licensing;
Or to take arms against a sea of potential overheads and features,
And by opposing end them? To roll your own: to reinvent the wheel;
No more; and by reinvent, to say, we continue
The heart-ache of low-level systems maintained in-house,
and the thousand natural shocks
That flesh is heir to; 'tis a consummation
Devoutly to be avoided.

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