What are the arguments against the use of the "<?="?

Question

Possible Duplicate:
Are PHP short tags acceptable to use?

The <?= is one of the very few elegant things about PHP, IMO. Yet, there are people that deliberately avoid it (in favor of the much longer <?php echo). Why would they do that?

Answer 1

<?= is easier to use but some servers don't support short tags. Therefore, if you ever run into a server that doesn't support them, you need to replace all tags.

A more elaborate answer is already given: Are PHP short tags acceptable to use?