Incorrect:

// app/components/user-list.gjs
import Component from '@glimmer/component';

class UserList extends Component {
  <template>
    {{#each @users as |user|}}
      <div class="user">
        {{! Recomputes every time}}
        {{#if (eq user.role "admin")}}
          <span class="badge admin">{{user.name}} (Admin)</span>
        {{/if}}
        {{#if (eq user.role "moderator")}}
          <span class="badge mod">{{user.name}} (Mod)</span>
        {{/if}}
        {{#if (eq user.role "user")}}
          <span>{{user.name}}</span>
        {{/if}}
      </div>
    {{/each}}
  </template>
}