你的看法是有道理的，按照你的意思改過來也完全可以。但問題是，原句也不錯，因為than后面可以使用倒裝語序，如《英語用法指南》(第2版)(Michael Swan，外研社)的第395頁就有這樣的說明：

在較文的文體中，有時候在as, than和加強語氣的so之后用倒裝。

She was very religious, as were most of her friends. 她宗教信仰很深，她的絕大多數朋友也是這樣。

City dwellers have a higher death rate than do country people. 城市居民死亡率比農村居民高。

So ridiculous did she look that everybody burst out laughing. 她的模樣如此滑稽，大家都捧腹大笑。