Exercise 2: Why Market Share Doesn't Mean "Just Learn AWS" — Possible Solution
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Market share describes what's most common in AGGREGATE, across the
entire industry -- it says nothing about which specific provider any
GIVEN customer, employer, or ticket happens to involve. For a support
engineer specifically, the relevant question isn't "which cloud is
most popular overall," it's "which cloud will the NEXT ticket that
lands on my desk actually be about" -- and that could reasonably be
any of the three, especially since (per this chapter) plenty of
organizations use more than one provider at once.

Concretely:

- An organization deeply invested in the Microsoft ecosystem (Active
  Directory, Microsoft 365) is a completely reasonable candidate to be
  running Azure specifically, market-share leader or not -- Azure's
  own strength described in this chapter is exactly that ecosystem
  fit, independent of overall market ranking.

- An organization doing heavy data/ML work, or one that adopted
  Kubernetes early, might reasonably be on GCP, given the chapter's
  note that GCP originated Kubernetes and has particular strength in
  that area.

- Multi-cloud organizations (touched on in Chapter 1's public/private/
  hybrid section) may use more than one provider simultaneously for
  different workloads, meaning a single support engineer could
  legitimately need to work across all three within the same
  organization, let alone across different customers or employers over
  a career.

Only knowing AWS would leave a support engineer unable to help with a
meaningful share of real tickets, regardless of AWS's aggregate market
lead -- which is precisely why this chapter is framed as
cross-provider from the outset, rather than picking the "winner" and
specializing in it alone.

WHY THIS WORKS AS AN ANSWER
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This distinguishes AGGREGATE market share (an industry-wide statistic)
from the actual, practical question a support engineer faces (which
specific provider is THIS ticket about) -- the same distinction the
chapter itself draws when it says market share ranking "isn't the
whole story."